公开(公告)号：US20220069235A1

公开(公告)日：2022-03-03

申请号：US17446647

申请日：2021-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim ,  Minje Kim ,  Hyojeong Kim ,  Jungsub Lee ,  Jiyoung Lee

IPC: H01L51/00

Abstract: A light-emitting device and an electronic apparatus including the same are provided.

公开(公告)号：US10263054B2

公开(公告)日：2019-04-16

申请号：US14969251

申请日：2015-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim ,  Dohoon Kim

IPC: H01L27/32

Abstract: An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction.

公开(公告)号：US12120954B2

公开(公告)日：2024-10-15

申请号：US18064787

申请日：2022-12-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  C09K11/06 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K50/11 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/322 ,  H10K85/342 ,  H10K85/40 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  C09K2211/1077 ,  C09K2211/185 ,  H10K50/11 ,  H10K2101/00 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3:

T1(C3)onset≥S1(C4)onset  Condition 1-1

T1(C3)max≥S1(C4)max  Condition 1-2

KRISC(C4)≥103 S−1  Condition 2

f(C4)≥0.1  Condition 3.

公开(公告)号：US11963375B2

公开(公告)日：2024-04-16

申请号：US17227886

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Makoto Yamamoto ,  Toshiyuki Matsuura ,  Hyunyoung Kim ,  Hyosup Shin

IPC: H10K50/11 ,  G02B1/08 ,  G02B5/20 ,  H01L33/50 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K50/11 ,  G02B1/08 ,  G02B5/20 ,  H01L33/50 ,  H10K85/346 ,  H10K85/40 ,  H10K85/623 ,  H10K85/624 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/15 ,  H10K50/16 ,  H10K2101/10 ,  H10K2101/40

Abstract: A light-emitting device includes a first electrode. a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer. The emission layer may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.

公开(公告)号：US11917895B2

公开(公告)日：2024-02-27

申请号：US18178683

申请日：2023-03-06

Applicant: Samsung Display Co., LTD.

Inventor： Jiyoun Lee ,  Hyunyoung Kim ,  Rohyeon Park ,  Jong-Ryuk Park ,  Changwook Kang

IPC: H10K71/00 ,  H10K50/81 ,  H10K50/82 ,  H10K71/20

CPC classification number: H10K71/00 ,  H10K50/81 ,  H10K50/82 ,  H10K71/233

Abstract: A manufacturing method of a display device includes providing a first organic layer in a display area and a non-display area, to cover a pixel electrode and a pad electrode, respectively, providing a first electrode of a light emitting element, in the display area, the first organic layer being between the pixel electrode and the first electrode, after forming the first electrode, removing a portion of the first organic layer which is in the non-display area, to expose the pad electrode from the first organic layer; and providing a light emitting layer of the light emitting element, corresponding to the first electrode.

公开(公告)号：US11616214B2

公开(公告)日：2023-03-28

申请号：US17138124

申请日：2020-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Il-Joo Kim ,  Gunwoo Ko ,  Yong-Hwan Kim ,  Taekon Kim ,  Hyunyoung Kim ,  Jong-Ryuk Park ,  Wangwoo Lee ,  Hyungjun Lim ,  Youngbae Jung ,  Jung-Hyun Cho

IPC: G06F3/041 ,  H01L51/52 ,  H01L27/32

Abstract: A display device includes a display layer including an active area including a plurality of pixel areas, and a peripheral area adjacent to the active area, an insulating layer disposed on the display layer, the insulating layer including at least one first opening overlapping the plurality of pixel areas, and at least one second opening in the peripheral area, a refractive index layer disposed on the insulating layer, having a refractive index greater than a refractive index of the insulating layer, and spaced apart from the at least one second opening, and a polarizing layer overlapping the refractive index layer. At least a portion of the polarizing layer overlaps the at least one second opening.

公开(公告)号：US20220077416A1

公开(公告)日：2022-03-10

申请号：US17223952

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Tsuyoshi Naijo ,  Hyunyoung Kim ,  Dongyoun Yoo ,  Jiyoung Lee

IPC: H01L51/50

Abstract: A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.

公开(公告)号：US11004919B2

公开(公告)日：2021-05-11

申请号：US16373102

申请日：2019-04-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunyoung Kim ,  Dohoon Kim

IPC: H01L27/32

Abstract: An organic light-emitting display apparatus includes a thin-film transistor on a substrate, a planarization layer on the thin-film transistor, and a pixel-defining spacer on the planarization layer. The pixel-defining spacer defines a pixel area between two pixels that are adjacent in a first direction.

公开(公告)号：US09640601B2

公开(公告)日：2017-05-02

申请号：US14988119

申请日：2016-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim

IPC: H01L27/12 ,  H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1255

Abstract: A display apparatus including a pixel including a first thin-film transistor (TFT) and a second TFT connected to the first TFT, the display apparatus includes a substrate, a semiconductor layer disposed on the substrate and including an active region of the first TFT and an active region of the second TFT, a first gate layer disposed on the semiconductor layer and including a gate of the first TFT and a gate of the second TFT, a second gate layer disposed on the first gate layer and including a connection node connecting the gate of the first TFT to the active region of the second TFT, and a line layer disposed on the second gate layer and configured to supply a driving voltage to the pixel.

公开(公告)号：US20240324454A1

公开(公告)日：2024-09-26

申请号：US18603088

申请日：2024-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung Kim ,  Hyunwoo Lee

IPC: H10K85/60 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  H10K101/00 ,  H10K101/25 ,  H10K101/60

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K85/346 ,  H10K85/40 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/658 ,  H10K2101/25 ,  H10K2101/27 ,  H10K2101/60

Abstract: An organic light-emitting device and an electronic apparatus including the same are provided. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer provided between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound capable of emitting phosphorescence, and a fourth compound capable of emitting delayed fluorescence, and a value of R0 is at least 3.5 nm.